Breathing mask



FIG. 1 is a front view of a breathing mask.

FIG. 2 is a left side view of the breathing mask shown in FIG. 1.

FIG. 3 is a right side view of the breathing mask shown in FIG. 1.

FIG. 4 is a top view of the breathing mask shown in FIG. 1.

FIG. 5 is a bottom view of the breathing mask shown in FIG. 1.

FIG. 6 is a rear perspective view of the breathing mask shown in FIG. 1.

FIG. 7 is a bottom front perspective view of the breathing mask shown in FIG. 1.

FIG. 8 is a front view of a second embodiment of a breathing mask.

FIG. 9 is a left side view of the breathing mask shown in FIG. 8.

FIG. 10 is a right side view of the breathing mask shown in FIG. 8.

FIG. 11 is a top view of the breathing mask shown in FIG. 8.

FIG. 12 is a bottom view of the breathing mask shown in FIG. 8.

FIG. 13 is a rear perspective view of the breathing mask shown in FIG. 8; and,

FIG. 14 is a bottom front perspective view of the breathing mask shown in FIG. 8.

The broken line showing of linear portions of the article is included for the purpose of illustrating environmental structure with the line itself forming no part of the claimed design. 

CLAIM The ornamental design for a breathing mask, as shown and described. 